If you are still going to drink one orange juice before going to bed (I do not recommend it, but you know yourself better than anybody else and if that must stay, it must stay).....do not drink any orange juice out of a carton or bottle or from concentrate. Make yourself buy oranges and make the juice fresh yourself and drink right away after juicing. Most of the orange juice people consume in america is not actually orange juice. If the juice you drink has been pasturized (i.e. brought to a quick rapid boil), then it has lost most of its original characteristics and has been turned into something else. While the calories may not change, I think drinking fresh oj rather than boiled oj well have a positive impact on you. Plus, the experience of buying the oranges yourself and juicing (and clean up) yourself will also have a positive experience. Futhermore, I think that end of the day glass of oj will give you more pleasure than it currently does. My guess is that if you tire of making the juice, you may be able to satisfy your craving by eating an orange or two rather than juicing six of them. That would be a very positive change and you still allow yourself your pre-bed orange jonesing.